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Water-Year Summary for Site 02135000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
00060 Discharge(Max.,Mean,Min.)  
00065 Gage height(Max.,Mean,Min.)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Med.,Min.)  
63680 Turbidity, Form Neph(Mean,Max.,Min.) [YSI 6136]  
63680 Turbidity, Form Neph(Mean,Min.,Max.) [YSI EXO3]  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02135000 LITTLE PEE DEE RIVER AT GALIVANTS FERRY, SC
LOCATION - Lat 34°03'24.3", long 79°14'51.8" referenced to North American Datum of 1983, Horry County, SC, Hydrologic Unit 03040204, near mid-bridge, on downstream side of south bound bridge of U.S. Highway 501, at Galivants Ferry, 1.0 mi downstream from Lake Swamp, and at river mile 41.7. parking is best at 34°03'25.3"N 79°14'55.4"W
DRAINAGE AREA - 2,790 mi².
REVISIONS HISTORY -

Specific conductance record for the period Oct. 2, 2016 to Nov. 8, 2016 were revised on Jan. 27, 2020. An “Equipment” qualifier had been added to the readings preventing them from being seen on NWIS Web. The SC readings were determined to be good and the equipment qualifier removed.

Precipitation for the period Oct. 7, 2019 was revised on May 21, 2020, based on the deletion of erroneous data. Gage datum was revised on November 3, 2020, based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1942 to current year. Monthly discharge only for some periods, published in WSP 1303.
GAGE - Data collection platform. Datum of gage is 22.34 ft above NAVD of 1988. Prior to July 26, 1967, nonrecording gage and crest-stage gage at same site and datum.
REMARKS - Gage-height records are generally good to fair. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-sc_nwisweb_data_inquiries@usgs.gov.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known, 16.0 ft, in September 1928, from floodmark set by local resident.
EXTREMES FOR PERIOD OF RECORD - Maximum Discharge 64,700 ft³/s, Sep. 21, 2018; Gage-Height 17.21 ft, Sep. 21, 2018 (as a result of Hurricane Florence). Minimum daily mean discharge, 72.8 cfs, Aug. 17, 2002.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - May 2001 to current year.
INSTRUMENTATION - Tipping bucket raingage and data collection platform.
REMARKS - Precipitation data collected during freezing periods may not be accurately reflected in daily record.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2013 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: July 2013 to current year.
PH: July 2013 to current year.
WATER TEMPERATURE: July 2013 to current year.
DISSOLVED OXYGEN: July 2013 to current year.
TURBIDITY: July 2013 to current year.
INSTRUMENTATION - Water-quality multiprobe and data collection platform.
REMARKS -

For the 2013 water year, specific conductance records rated good. For the 2013 water year, pH records rated good. For the 2013 water year, water temperature records rated excellent. For the 2013 water year, dissolved oxygen records rated excellent. For the 2013 water year, turbidity records rated excellent.

For the 2014 water year, specific conductance records rated excellent. For the 2014 water year, pH records rated good except Mar. 13 - May 22, which are rated fair. For the 2014 water year, water temperature records rated excellent. For the 2014 water year, dissolved oxygen records rated excellent except for Jul. 13 - Sep. 4, which are rated good. For the 2014 water year, turbidity records rated excellent except for Apr. 19 - May 22, which are rated fair and Oct. 1 - Dec. 30, which are rated poor.

For the 2015 water year, specific conductance records rated excellent except for Nov. 14 - Dec. 11 and Apr. 6 - May 18, which are rated good and May 29 - Jun. 23, which are rated fair. For the 2015 water year, pH records rated good except for May 29 - Jun. 23, which are rated fair. For the 2015 water year, water temperature records rated excellent. For the 2015 water year, dissolved oxygen records rated excellent except for Oct. 1-2, which are rated good and Sep. 25-30, which are rated fair. For the 2015 water year, turbidity records rated fair except for Apr. 16 - May 18, May 29 - Jun. 23, Jul. 24 - Sep. 24, which are rated poor.

For the 2016 water year, specific conductance records rated excellent except for May 25 - Jun. 9 and Jul. 27 - Aug. 10, which are rated good and Aug. 9 - Nov. 7, which are rated fair. For the 2016 water year, pH records rated good. For the 2016 water year, water temperature records rated excellent except from May 25 - Jun. 21 which are rated good. For the 2016 water year, dissolved oxygen records rated excellent except for Sept. 24 - Oct. 21, which are rated fair. For the 2016 water year, turbidity records rated poor.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 230 microsiemens/cm, Aug. 28, 2015; minimum, 32 microsiemens/cm, Oct. 11, 2016.

PH: Maximum, 7.19 units, Nov 10, 2023; minimum, 4.5 units, Sept. 20, 2018. 

WATER TEMPERATURE: Maximum, 34.0°C, July 8, 2022; minimum, -0.1°C, Jan. 7, 2018.

DISSOLVED OXYGEN: Maximum, 13.5 mg/L, Feb. 20-21, 2015; minimum, 1.2 mg/L, Sept. 20, 2018.

TURBIDITY (YSI6 July 3, 2013 - Nov. 3, 2021): Maximum, 68 FNU, Oct. 8, 2016; minimum, <0.3 FNU, many days.

TURBIDITY (YSI EXO Nov. 3, 2021 - present): Maximum, 69.8 FNU, Aug. 31, 2023; minimum, 0.8 FNU, Nov. 7, 2023.